Boyal



UNITED STATES.

ennnien'w SANDERS, 0F ANNAPOLIS ROYAL, NOVA SCOTIA, Cit ASSEGNMENTS, .730 THE GOVERNMENT OF Ufa)? Epecificetion of Letters ratent,

A li zetelc.

Apylicetion filed April 23, 1919. Serial Na. 2%, 23,

(FILED UNDER THE Afl'll 02 113 015 3, 1353, 2%

To all witom. '52? may concern:

Be 1t Known that I, GEoReE ETHELBERT SANDERS, e sub ect of Great Brltzun, residing 1n the town of Annapolis Royal, Nova Scotie, onadal, (-Whose post-oiiice address is Dominion Entomological. Laboratory, Annapolis Royal, N. Sefihave invented a new Insecticide and Fungicides. I

This application is made under the act of March 3, 1883, chapter 143 (22 Stat. 625),

anti the invention herein described, and

claimed, may be used by the Government of the United States or any of its OfllCGlS or emloyees in the prosecution of Work for the Jovernment, and by any person in the "United States without payment to me of any royalty thereon. v

153' invention relates to a new insecticide inngicide crocluced in the following manner: I mix dehyclrateti eopycr sulfate, commercial erscnete of lime, and commercial liydre-tedlimc in proportions, varying from five to twenty-five per cent. of dehydrated copper sulfate and icon three to twelve per cent. of ersenete of lime, the remainder being matte up of liytlrated lime. -The dehysireted eopgier sulfate ((311550 may contain up to one molecule oil? water and is pcwclorcc "o e sufficicnt a screen of two hundred The ersenete of lime used in in M. be any commercial. brand celeiu 1 containing from thirty-five to of ZtlSGIIilte oxid (AS265) and that one pound thereoi Sl'lELli cocc than eighty cubic inches of drated lime used in the pros of the commercial trends i ket.

The three ingredients; us

by any suitable Having described in A composition of matter c cli'eted copper sulfate, e 5 of arsenete of lime, larger proportion of 7 l In testimony whe in the presence of two so Witnessesz L. How, 

